Home / 36,803.40-55,205.10-19,278.60

Finding the Fourth Proportional to 36,803.40, 55,205.10 and 19,278.60

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Solution

The fourth proportional to 36,803.40, 55,205.10 and 19,278.60 is: 28,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,803.40 : 55,205.10 = 19,278.60 : x
  2. Step 2: Convert to fraction form
    36,803.40/55,205.10 = 19,278.60/x
  3. Step 3: Cross multiply
    36,803.40x = 55,205.10 × 19,278.60
  4. Step 4: Simplify right side
    36,803.40x = 1,064,277,040.86
  5. Step 5: Solve for x
    x = 1,064,277,040.86/36,803.40
  6. Step 6: Final answer
    x = 28,917.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.